* cp-tree.h (COMPARE_RELAXED): Rename to ...

	* cp-tree.h (COMPARE_RELAXED): Rename to ...
	(COMPARE_DERIVED): ... here. Adjust comment.
	(resolve_typename_type_in_current_instantiation): Remove.
	(cp_tree_equal, comptypes): Return a bool.
	* cvt.c (convert_to_reference): Adjust comptypes call.
	* pt.c (template_args_equal, unify,): Adjust cp_tree_equal call.
	(resolve_typename_type_in_current_instantiation): Remove.
	* tree.c (cp_tree_equal): Return bool. Cope with TEMPLATE_DECLs and
	IDENTIFIER_NODEs. Abort if undeciderable. Adjust recursive
	calls. Refactor code.
	* typeck.c (comp_array_types): Return bool. Lose callback.
	parameter. Adjust cp_tree_equal calls.
	(comptypes): Return bool. Adjust strict handling. Remove relaxed
	enumeration and java type handling. Deal with typename types here.
	Adjust recursive and cp_tree_equals calls. Adjust base and derived
	checking.
	(comp_target_types): Remove unreachable code. Adjust
	same_or_base_type_p calls.
	(ptr_reasonably_similar): Adjust base and derived check.

	* typeck.c (maybe_warn_about_returning_address_of_local): Remove
	unused calculation.
	(check_return_expr): Adjust error messages.
	* cp-tree.def (SCOPE_REF): Correct comment.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68155 138bc75d-0d04-0410-961f-82ee72b054a4